# Paraquat, respirable sizes — CAS 1910425 — workplace exposure limit

For Paraquat, respirable sizes, pel (mg/m³) is 0.1(n); cas no. is 1910425, verified against its source on 2026-09-29.

- **Substance:** Paraquat, respirable sizes _(verified: appears in the quote below)_
- **CAS No.:** 1910425 _(verified: appears in the quote below)_
- **PEL (mg/m³):** 0.1(n) _(verified: appears in the quote below)_

## What the source says

> 1910425, | S | Paraquat, respirable sizes | -- | 0.1(n)

## Source

- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-09-29. Review by: 2027-09-29.
Part of [US workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side](https://referencesource.org/workplace-exposure-limits/).